A super flag checker that uses a super cryptographic algorithm.
Beginner Hint 1 (AI-translated)
chalis an ELF executable. First, try decompiling it with a reverse engineering tool such as IDA Free, Ghidra, or Binary Ninja.- Also, this challenge is Hard, so if you are a beginner, we recommend using AI as needed.
- For example, you can drag and drop the binary into ChatGPT and ask it to help with the analysis.
Beginner Hint 2: Spoiler Alert! (AI-translated)
- Actually, you can solve this challenge without understanding most of the cryptographic processing.
- Focus on what strings are being compared by the
strcmpfunction.